
Still motion
Method of displaying images rapidly.
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Still motion
Method of displaying images rapidly.

Molecular physics
Study of the physical and chemical properties of molecules.
Stereopsis
Visual sensation of spatial awareness.
Alice's Wonderland
1923 film.

3-3 duoprism
Four-dimensional convex polytope.

Four-stroke engine
Internal combustion engine type.

Opioid receptor
Group of biological receptors.
Quadruplanar inversor
Mechanism that provides a perfect straight line motion without sliding guides.

Resonator
Device or system that exhibits resonance.
Kinesin
Eukaryotic motor protein.

Roller chain
Type of chain drive.
Standing wave
Wave that remains in a constant position.

Cellular automaton
Discrete model of computation.
Black hole ringdown spectroscopy
Method used to study black holes.
Scotoma
Altered region in an otherwise normal field of vision.

Arm swing in human locomotion
Element of walking.

Operation Plumbbob
Series of 1950s American nuclear tests.

Tri-star (wheel arrangement)
Design for climbing over obstructions or stairs.

Memory improvement
Act of improving one's memory.

Geosynchronous orbit
Orbit keeping the satellite at a fixed longitude above the equator.

Classical mechanics
Description of large objects' physics.

Mechanical energy
Sum of potential and kinetic energy.

Rack and pinion
Type of linear actuator.

Chaldene
Moon of Jupiter.

Shrapnel shell
Anti-personnel artillery munitions.

AVL tree
Self-balancing binary search tree.
Hook (bowling)
Curved path followed by a bowling ball.

Radical 164
Chinese character radical.

Arc length
Distance along a curve.
Quake-Catcher Network
BOINC based volunteer computing project.

Imago
Last stage in an insect's metamorphosis.
Storm Eleanor (2018)
2018 European windstorm.
YCbCr
Family of digital color spaces.

Heliorhodopsin
Family of rhodopsins.

WISE 1534−1043
Brown dwarf in the constellation Libra.

Aircraft flight control system
How aircraft are controlled.
File (command)
Shell command for reporting file type information.
Neso (moon)
Irregular moon of Neptune.
Big Grass Fire
2026 wildfire in the United States.
Continent
Large geographical region identified by convention.
Enlargement of the European Union
Accession of new countries to the EU.

Three-body problem
Physics problem related to laws of motion and gravity.
Gear
Rotating circular machine part with teeth that mesh with another toothed part.
Waltz
Ballroom and folk dance.